X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fstatic%2Frex_rex.ma;h=e3d0aee798028727edb627f6db86e6504e38d2a5;hp=ba250697aa4eb12fcc0a19feb494101870cba3d1;hb=98e786e1a6bd7b621e37ba7cd4098d4a0a6f8278;hpb=5d9f7ae4bad2b5926f615141c12942b9a8eb23fb

diff --git a/matita/matita/contribs/lambdadelta/static_2/static/rex_rex.ma b/matita/matita/contribs/lambdadelta/static_2/static/rex_rex.ma
index ba250697a..e3d0aee79 100644
--- a/matita/matita/contribs/lambdadelta/static_2/static/rex_rex.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/static/rex_rex.ma
@@ -45,22 +45,22 @@ theorem rex_bind (R) (p) (I):
         ∀L1,L2,V1,V2,T. L1 ⪤[R,V1] L2 → L1.ⓑ[I]V1 ⪤[R,T] L2.ⓑ[I]V2 →
         L1 ⪤[R,ⓑ[p,I]V1.T] L2.
 #R #p #I #L1 #L2 #V1 #V2 #T * #f1 #HV #Hf1 * #f2 #HT #Hf2
-lapply (sex_fwd_bind … Hf2) -Hf2 #Hf2 elim (sor_isfin_ex f1 (⫰f2))
-/3 width=7 by frees_fwd_isfin, frees_bind, sex_join, isfin_tl, ex2_intro/
+lapply (sex_fwd_bind … Hf2) -Hf2 #Hf2 elim (pr_sor_isf_bi f1 (⫰f2))
+/3 width=7 by frees_fwd_isfin, frees_bind, sex_join, pr_isf_tl, ex2_intro/
 qed.
 
 (* Basic_2A1: llpx_sn_flat *)
 theorem rex_flat (R) (I):
         ∀L1,L2,V,T. L1 ⪤[R,V] L2 → L1 ⪤[R,T] L2 → L1 ⪤[R,ⓕ[I]V.T] L2.
-#R #I #L1 #L2 #V #T * #f1 #HV #Hf1 * #f2 #HT #Hf2 elim (sor_isfin_ex f1 f2)
+#R #I #L1 #L2 #V #T * #f1 #HV #Hf1 * #f2 #HT #Hf2 elim (pr_sor_isf_bi f1 f2)
 /3 width=7 by frees_fwd_isfin, frees_flat, sex_join, ex2_intro/
 qed.
 
 theorem rex_bind_void (R) (p) (I):
         ∀L1,L2,V,T. L1 ⪤[R,V] L2 → L1.ⓧ ⪤[R,T] L2.ⓧ → L1 ⪤[R,ⓑ[p,I]V.T] L2.
 #R #p #I #L1 #L2 #V #T * #f1 #HV #Hf1 * #f2 #HT #Hf2
-lapply (sex_fwd_bind … Hf2) -Hf2 #Hf2 elim (sor_isfin_ex f1 (⫰f2))
-/3 width=7 by frees_fwd_isfin, frees_bind_void, sex_join, isfin_tl, ex2_intro/
+lapply (sex_fwd_bind … Hf2) -Hf2 #Hf2 elim (pr_sor_isf_bi f1 (⫰f2))
+/3 width=7 by frees_fwd_isfin, frees_bind_void, sex_join, pr_isf_tl, ex2_intro/
 qed.
 
 (* Negated inversion lemmas *************************************************)